Abstract. The reproductive biology, and larval and adult host range of Diabrotica speciosa (Germar), Diabrotica viridula (F.), Acalymma spp. (Coleoptera: Chrys. Diabrotica viridula. Alexander Derunkov. rootworm beetle. Diabrotica viridula. Alexander Derunkov. rootworm beetle. Diabrotica viridula. Alexander Derunkov. FAMILIA CHRYSOMELIDAE Latreille, SUBFAMILIA GALERUCINAE Latreille, TRIBU Luperini Gistel, Diabrotica viridula Fabricius.

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Feeding and oviposition behavior and life cycle strategies of Viridual Biological traits universal for the North American species of the virgifera group were not found in the species of that group which we studied, D. In the subtropical environments of D. Sign In or Create an Account.

However, all these studies deal with North American Diabroticina, but their extension to South American species is yet to be confirmed. In other projects Wikimedia Commons Wikispecies. Reinvestigation of host location by western corn rootworm larvae Coleoptera: Abstract The reproductive biology, and larval and adult host range of Diabrotica speciosa GermarDiabrotica viridula F.

Because of the lack of sufficient field beetles, not every host chosen could be tested on all the species, only the ones reared at the laboratory. Systematics of the virgifera species group of Diabrotica Coleoptera: Larvae hatch in late May or early June and begin to feed on corn roots.


Merrilland damage to the tender parts of almost every crop ChristensenLink virivula Costa In preliminary multiple-choice experiments, where several putative hosts were offered simultaneously, oviposition was greatly reduced, and results were inconclusive unpublished data.

However, every plant species was tested alongside with maize as a control host for Diabrotica spp. No additional larval hosts to the ones cited in the literature or tried in the laboratory have been found in the field.

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The eggs of D. Diabrotica limitata, was consistently found on pumpkin and maize silks, and only maize silks in winter.

Antennae filiformbi- or tricolored, antennomere 1 yellow or pale olivine, antennomeres olive ocher, antennomeres olive ocher or brussels brown. A minimum of five replications were tried for each species on each putative host.

The larval host range was tested for D. Adult hosts of the most common southern South American Diabroticina are presented in Tables 12and 3.

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The North American species of this group are apparently without exception uni- or semivoltine, oligophagous, and possess drought or virdula resistant diapausing eggs KrysanBranson et al. Relevant related data on other Diabroticina collected in the field, and reared in the laboratory for natural enemies and biology studies, are also presented.


Related articles in Web of Science Google Scholar. Quarto catalogo dos insetos que vivem nas plantas do Brasil, sus parasitos e predadores. A partial list includes:.

Diabrotica – Wikipedia

The cucurbit beetle is cold-tolerant and overwinters as an adult. MfN, lectotype, male, verified. However, because not all the hosts were present at each collection site, the average proportions do not necessarily sum 1.

This, however, would agree with the more virodula known distribution of the species. In effect, the levels of both D.

It furthers the University’s objective of excellence in research, scholarship, and education by publishing worldwide. Western corn rootworm adults are yellowish with a black stripe on each wing cover. The adults cause important damage in maize Zea mays L. The container was covered with a plastic lid that had a 4-cm opening covered with a fine mesh. Chrysomelidae strain in east-central Illinois corn and soybean fields. For the other plants the eggs were not scattered until an important root mat had formed, which could be between 1 wk and 25 d, according to the species.